[5] The line is connected to Delhi Metro at Noida Sector 51 station by a footbridge.

Foundation for the NMRC project was laid down in October 2014, with the construction being commenced by the end of December 2014 by then Chief Minister of Uttar Pradesh Akhilesh Yadav.

Trial runs started in August 2018, and the metro was inaugurated on 25 January 2019 by Chief Minister of Uttar Pradesh, Yogi Adityanath.

The government also appointed the Delhi Metro Rail Corporation (DMRC) as the turnkey consultant for the project.

A Special Purpose Vehicle (SPV) called the Noida Metro Rail Corporation (NMRC) was formed to implement the project.

[8] The Uttar Pradesh Cabinet approved the project and forwarded the DPR to Government of India in October 2013.

The Government of India and UP will each bear 20% of the costs and loans from external agencies would be taken to fund the rest 60% of the project.

Explaining the choice, NMRC managing director Santosh Yadav stated, "Aqua signifies an eco-friendly colour, which is what we want to portray.

[10] The Greater Noida Industrial Development Authority (GNIDA) approved an extension of the Aqua Line as part of Phase 2 of the metro project on 4 December 2018.

[36][37] The line starts from Noida Sector 51 metro station and will run through sectors 50, 76, 101, 81, NSEZ, 83, 137, 142, 143, 144, 145, 146, 147 and 148; after this it will enter Greater Noida and will go through Knowledge Park-II, Pari Chowk, Alpha-1, Delta-1 and GNIDA Office before terminating in Depot Station.

[43][44] The metro uses lightweight rakes made of stainless steel and aluminum, manufactured by China's CRRC Corporation.

The NMRC will install solar panels on the rooftops of all stations, footbridges, its main office building, the depot and parking lot boundary walls to generate an estimated 12 MW of solar power daily.

Urban Mass Transit Company (UMTC) presented the assessment of requirement of buses on 27 routes by conducting a survey for the city bus service and monitoring will be done by Uttar Pradesh State Road Transport Corporation.